Academy Gehenna Academy Year 1st Year Height 157 cm (5’1”) Haruka is a rank-and-file member of Gehenna Academy's Problem Solver 68. Due to her gloomy personality, she has always been teased, but was able to escape that fate thanks to Aru. Afterwards she has operated in Problem Solver 68 as a role akin to the youngest child in a family. Despite her shyness and little self-esteem, it wouldn't be incorrect in saying she's the scariest among the erratic Problem Solver 68.